<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS练习</title>
    <link rel="stylesheet" href="./test.css">
    <style>
        div{
            font-family: '宋体';
            font-size: 30px;
        }
        ol>ul>li{
            color: red;
        }
        
    </style>
</head>
<body>
    <p class="eat">吃饭</p>
    <P class="sleep">睡觉</P>
    <p class="play game">玩游戏</p>
    <p id="fe">前端开发</p>
    <br/>这不是宋体<br/>
    <div>这是宋体</div>

    <ol class="one">
        <li>ddd</li>
        <li>eee</li>
        <ul>
            <li>ddd</li>
            <li>eee</li>
            <li><a href="#">fff</a></li>
            <li><a href="#">fff</a></li>
            <li><a href="#">fff</a></li>
        </ul>
    </ol>
</body>
</html>